Electronic currency tester



FIG. 1 is a front elevational view of an electronic currency tester showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image thereto;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view of FIG. 2;

FIG. 5 is a bottom plan view of FIG. 2. 

The ornamental design for an electronic currency tester, substantially as shown and described. 